I would have explored more, but exploring constantly resulted in me finishing quests I was never given. By the time I was near the end of the game, there was pretty much nothing particularly interesting left to do, because I had already done most of it accidentally.

EagleMan wrote:So you're saying there was nothing left to do because you had done everything? Being near the end of the game pretty much means that. In Fallout you just sort of ignore the main quest line forever.

Just being near the end of the game does not mean whatsoever that you have explored the entirety of th game's content. The weight of your knowledge of a game's world - the entire world - depends on how many hours you put into it, not how close you are to beating the game. For instance, all told, I've probably put in at least 1000 hours into Fallout 3/New Vegas each and around 700 into Skyrim, across many playthroughs. I don't mean to brag or anything (I have no doubt that many others have put much more time in); I merely mean to illustrate the kind of dedication you have to give a game in order to know it inside and out. No mods, though. Unfortunately, the Xbox 360 doesn't support non-sanctioned additional content, so that's that.

I recently got a new computer which is much better than my old one. I bought Fallout 3 GOTY edition from Steam, but haven't installed it yet.

Tangent: It's irritating how you cannot play the game after winning said battle. It makes sense in that they wouldn't really be able to satisfyingly conclude the game with all the endings, but still.